"Today, the treacherous underworld of Gotham City expands with the New 52 debut of Dr. Phosphorus," writes DC editor-in-Chief Bob Harras. "And if you happen to be a skilled jewel thief in a feline costume, I’d be extra careful about crossing paths with this guy …"

The original Doctor Phosphorus was Dr. Alexander Sartorius, who was primary a Batman villain, and who made his debut in the Steve Englehart-written Detective Comics #469.